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Change Bootstrap tooltip color

... > .tooltip-arrow {background-color: #f00;} jsFiddle: http://jsfiddle.net/technotarek/2htZe/ UPDATE: Bootstrap 3 You have to be specific for the direction of the tooltip in Bootstrap 3. For example: .tooltip.top .tooltip-inner { background-color:red; } .tooltip.top .tooltip-arrow { ...
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DateTime.Now vs. DateTime.UtcNow

... One main concept to understand in .NET is that now is now all over the earth no matter what time zone you are in. So if you load a variable with DateTime.Now or DateTime.UtcNow -- the assignment is identical.* Your DateTime object knows what timezone you are ...
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How to get the list of all printers in computer

...atus"); var isDefault = printer.GetPropertyValue("Default"); var isNetworkPrinter = printer.GetPropertyValue("Network"); Console.WriteLine("{0} (Status: {1}, Default: {2}, Network: {3}", name, status, isDefault, isNetworkPrinter); } ...
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PHP编译configure时常见错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... snmp.h not found. Check your SNMP installation. Solutions : yum install net-snmp net-snmp-devel 20、开启LDAP服务还需要 yum -y install openldap-devel openldap-servers openldap-clients 21、configure: error: cannot find output from lex; giving up centos: yum -y install flex 22、config...
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Position absolute but relative to parent

...rstand that difference refer to this example Example 1:: http://jsfiddle.net/Cr9KB/1/ #mainall { background-color:red; height:150px; overflow:scroll } Here parent class has no position so element is placed according to body. Example 2:: http://jsfiddle.net/Cr9KB/2/ #mainall {...
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Convert List into Comma-Separated String

... In .NET 3.5 and below you have to explicitly convert your list to array with lst.ToArray(), as there is no direct overload there yet. – Anton Dec 15 '13 at 11:09 ...
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What does [STAThread] do?

...o use the Single-Threaded COM Apartment if COM is needed. By default, .NET won't initialize COM at all. It's only when COM is needed, like when a COM object or COM Control is created or when drag 'n' drop is needed, that COM is initialized. When that happens, .NET calls the underlyin...
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Use the XmlInclude or SoapInclude attribute to specify types that are not known statically

I've got a very strange problem when working with .NET's XmlSerializer . 5 Answers 5...
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Func with out parameter

...n for that matter) are nothing but simple delegate types declared like //.NET 4 and above public delegate TResult Func<out TResult>() public delegate TResult Func<in T, out TResult>(T obj) //.NET 3.5 public delegate TResult Func<T1, T2, TResult>(T1 obj1, T2 obj2) public delegate ...
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CA2202, how to solve this case

...ponsibility for the memoryStream. These are not exactly real bugs, these .NET classes are resilient to multiple Dispose() calls. But if you want to get rid of the warning then you should drop the using statement for these objects. And pain yourself a bit when reasoning what will happen if the cod...